/[svn]/ircd-hybrid-7.2/modules/m_pong.c
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Annotation of /ircd-hybrid-7.2/modules/m_pong.c

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Revision 503 - (hide annotations)
Fri Mar 3 19:53:47 2006 UTC (15 years, 2 months ago) by michael
File MIME type: text/x-chdr
File size: 3744 byte(s)
- Backported CAP changes from HEAD since it doesn't affect
  any of the ircd's core components and should be supported
  as soon as possible.

1 adx 30 /*
2     * ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3     * m_pong.c: The reply to a ping message.
4     *
5     * Copyright (C) 2002 by the past and present ircd coders, and others.
6     *
7     * This program is free software; you can redistribute it and/or modify
8     * it under the terms of the GNU General Public License as published by
9     * the Free Software Foundation; either version 2 of the License, or
10     * (at your option) any later version.
11     *
12     * This program is distributed in the hope that it will be useful,
13     * but WITHOUT ANY WARRANTY; without even the implied warranty of
14     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15     * GNU General Public License for more details.
16     *
17     * You should have received a copy of the GNU General Public License
18     * along with this program; if not, write to the Free Software
19     * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
20     * USA
21     *
22 knight 31 * $Id$
23 adx 30 */
24    
25     #include "stdinc.h"
26     #include "ircd.h"
27     #include "handlers.h"
28     #include "s_user.h"
29     #include "client.h"
30     #include "hash.h" /* for find_client() */
31     #include "numeric.h"
32     #include "s_conf.h"
33     #include "send.h"
34     #include "irc_string.h"
35     #include "msg.h"
36     #include "parse.h"
37     #include "modules.h"
38    
39     static void mr_pong(struct Client *, struct Client *, int, char **);
40     static void ms_pong(struct Client *, struct Client *, int, char **);
41    
42     struct Message pong_msgtab = {
43     "PONG", 0, 0, 1, 0, MFLG_SLOW | MFLG_UNREG, 0,
44     {mr_pong, m_ignore, ms_pong, m_ignore, m_ignore, m_ignore}
45     };
46    
47     #ifndef STATIC_MODULES
48     void
49     _modinit(void)
50     {
51     mod_add_cmd(&pong_msgtab);
52     }
53    
54     void
55     _moddeinit(void)
56     {
57     mod_del_cmd(&pong_msgtab);
58     }
59    
60 knight 31 const char *_version = "$Revision$";
61 adx 30 #endif
62    
63     static void
64     ms_pong(struct Client *client_p, struct Client *source_p,
65     int parc, char *parv[])
66     {
67     struct Client *target_p;
68     const char *origin, *destination;
69    
70     if (parc < 2 || *parv[1] == '\0')
71     {
72     sendto_one(source_p, form_str(ERR_NOORIGIN),
73     me.name, parv[0]);
74     return;
75     }
76    
77     origin = parv[1];
78     destination = parv[2];
79    
80     /* Now attempt to route the PONG, comstud pointed out routable PING
81     * is used for SPING. routable PING should also probably be left in
82     * -Dianora
83     * That being the case, we will route, but only for registered clients (a
84     * case can be made to allow them only from servers). -Shadowfax
85     */
86     if (!EmptyString(destination) && !match(destination, me.name) &&
87     irccmp(destination, me.id))
88     {
89     if ((target_p = find_client(destination)) ||
90     (target_p = find_server(destination)))
91     sendto_one(target_p,":%s PONG %s %s",
92     parv[0], origin, destination);
93     else
94     {
95     sendto_one(source_p, form_str(ERR_NOSUCHSERVER),
96     me.name, parv[0], destination);
97     return;
98     }
99     }
100     }
101    
102     static void
103     mr_pong(struct Client *client_p, struct Client *source_p,
104     int parc, char *parv[])
105     {
106 michael 503 assert(source_p == client_p);
107    
108 adx 30 if (parc == 2 && *parv[1] != '\0')
109     {
110 michael 503 if (ConfigFileEntry.ping_cookie && !source_p->localClient->registration)
111 adx 30 {
112 michael 503 unsigned long incoming_ping = strtoul(parv[1], NULL, 10);
113    
114     if (incoming_ping)
115     {
116     if (source_p->localClient->random_ping == incoming_ping)
117     {
118     char buf[USERLEN + 1];
119    
120     strlcpy(buf, source_p->username, sizeof(buf));
121     SetPingCookie(source_p);
122     register_local_user(client_p, source_p, source_p->name, buf);
123     }
124     else
125     {
126     sendto_one(source_p, form_str(ERR_WRONGPONG), me.name,
127     source_p->name, source_p->localClient->random_ping);
128     return;
129     }
130 adx 30 }
131     }
132 michael 503 }
133 adx 30 else
134     sendto_one(source_p, form_str(ERR_NOORIGIN), me.name, parv[0]);
135     }
136    

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